different sizes at customer's request

fluted, spiral, expandable dowel pins

D: 6,8,10,12,14,16mm

     1/4", 5/16", 3/8", 7/16", 1/2", 5/8"

L:  30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm

     1-1/8", 1-1/4", 1-1/2", 1-3/4", 2"... 5"